17966961225

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{337}}^1\times {\mathrm{1123}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 32458161632

約数和(自身を除く): 14491200407

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 337, 633, 1011, 1055, 1123, 1685, 1899, 3033, 3165, 3369, 5055, 5275, 5615, 8425, 9495, 10107, 15165, 15825, 16845, 25275, 28075, 47475, 50535, 71107, 75825, 84225, 213321, 236953, 252675, 355535, 378451, 639963, 710859, 1066605, 1135353, 1184765, 1777675, 1892255, 2132577, 3199815, 3406059, 3554295, 5333025, 5676765, 5923825, 9461275, 10662885, 15999075, 17030295, 17771475, 28383825, 53314425, 79853161, 85151475, 239559483, 399265805, 718678449, 1197797415, 1996329025, 3593392245, 5988987075, 17966961225]

約数ペア:

[(1, 17966961225), (3, 5988987075), (5, 3593392245), (9, 1996329025), (15, 1197797415), (25, 718678449), (45, 399265805), (75, 239559483), (211, 85151475), (225, 79853161), (337, 53314425), (633, 28383825), (1011, 17771475), (1055, 17030295), (1123, 15999075), (1685, 10662885), (1899, 9461275), (3033, 5923825), (3165, 5676765), (3369, 5333025), (5055, 3554295), (5275, 3406059), (5615, 3199815), (8425, 2132577), (9495, 1892255), (10107, 1777675), (15165, 1184765), (15825, 1135353), (16845, 1066605), (25275, 710859), (28075, 639963), (47475, 378451), (50535, 355535), (71107, 252675), (75825, 236953), (84225, 213321)]